Color enhanced transmission electron micrograph of glycogen in the liver of the Salamander. In amphibian liver, glycogen particles are so small and uniform in size that they might easily be mistaken for unit beta particles. In micrographs of higher magnifi

Pig liver, often used in teaching because the lobules are more clearly demarcated.

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Transmission electron micrograph of glycogen in the liver of the Salamander. In amphibian liver, glycogen particles are so small and uniform in size that they might easily be mistaken for unit beta particles. In micrographs of higher magnification, however

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Liver sample being taken from common dolphin (Delphinus sp.) during necropsy to discern cause of death, Royal Zoological Society, London, UK

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Taking toxicology samples from liver of common dolphin (Delphinus sp.) during necropsy to discern cause of death, Royal Zoological Society, London, UK